INT D4 - PC-MOS/386 v5.01 - GET TASK CONTROL BLOCK SEGMENT/SELECTOR AH = 27h BX = task ID (FFFFh if current task) (see AH=19h) Return: CF clear if successful DX = segment/selector for the Task Control Block (see #04006) CF set on error AX = error code (see #01680 at INT 21/AH=59h/BX=0000h) Note: this function supersedes AH=04h SeeAlso: AH=26h,AH=28h,AH=29h,AH=2Ah